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<FONT color="green">001</FONT>    package org.codemonkey.simplejavamail;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.util.Properties;<a name="line.3"></a>
<FONT color="green">004</FONT>    <a name="line.4"></a>
<FONT color="green">005</FONT>    import javax.mail.Session;<a name="line.5"></a>
<FONT color="green">006</FONT>    <a name="line.6"></a>
<FONT color="green">007</FONT>    /**<a name="line.7"></a>
<FONT color="green">008</FONT>     * Defines the various types of transport protocols and implements respective properties so that a {@link Session} may be configured using a<a name="line.8"></a>
<FONT color="green">009</FONT>     * &lt;code&gt;TransportStrategy&lt;/code&gt; implementation.<a name="line.9"></a>
<FONT color="green">010</FONT>     * <a name="line.10"></a>
<FONT color="green">011</FONT>     * @author Benny Bottema<a name="line.11"></a>
<FONT color="green">012</FONT>     */<a name="line.12"></a>
<FONT color="green">013</FONT>    public enum TransportStrategy {<a name="line.13"></a>
<FONT color="green">014</FONT>    <a name="line.14"></a>
<FONT color="green">015</FONT>            /**<a name="line.15"></a>
<FONT color="green">016</FONT>             * Simplest possible form: only vanilla ".smtp." property names and no extra properties. Additionally the transport protocol is<a name="line.16"></a>
<FONT color="green">017</FONT>             * explicitly set to smtp.<a name="line.17"></a>
<FONT color="green">018</FONT>             */<a name="line.18"></a>
<FONT color="green">019</FONT>            SMTP_PLAIN {<a name="line.19"></a>
<FONT color="green">020</FONT>                    /**<a name="line.20"></a>
<FONT color="green">021</FONT>                     * Here protocol "mail.transport.protocol" is set to "smtp".<a name="line.21"></a>
<FONT color="green">022</FONT>                     * <a name="line.22"></a>
<FONT color="green">023</FONT>                     * @see TransportStrategy#SMTP_PLAIN<a name="line.23"></a>
<FONT color="green">024</FONT>                     */<a name="line.24"></a>
<FONT color="green">025</FONT>                    @Override<a name="line.25"></a>
<FONT color="green">026</FONT>                    public Properties generateProperties() {<a name="line.26"></a>
<FONT color="green">027</FONT>                            final Properties props = super.generateProperties();<a name="line.27"></a>
<FONT color="green">028</FONT>                            props.put("mail.transport.protocol", "smtp");<a name="line.28"></a>
<FONT color="green">029</FONT>                            return props;<a name="line.29"></a>
<FONT color="green">030</FONT>                    };<a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>                    /**<a name="line.32"></a>
<FONT color="green">033</FONT>                     * @return "mail.smtp.host"<a name="line.33"></a>
<FONT color="green">034</FONT>                     */<a name="line.34"></a>
<FONT color="green">035</FONT>                    @Override<a name="line.35"></a>
<FONT color="green">036</FONT>                    String propertyNameHost() {<a name="line.36"></a>
<FONT color="green">037</FONT>                            return "mail.smtp.host";<a name="line.37"></a>
<FONT color="green">038</FONT>                    };<a name="line.38"></a>
<FONT color="green">039</FONT>    <a name="line.39"></a>
<FONT color="green">040</FONT>                    /**<a name="line.40"></a>
<FONT color="green">041</FONT>                     * @return "mail.smtp.port"<a name="line.41"></a>
<FONT color="green">042</FONT>                     */<a name="line.42"></a>
<FONT color="green">043</FONT>                    @Override<a name="line.43"></a>
<FONT color="green">044</FONT>                    String propertyNamePort() {<a name="line.44"></a>
<FONT color="green">045</FONT>                            return "mail.smtp.port";<a name="line.45"></a>
<FONT color="green">046</FONT>                    };<a name="line.46"></a>
<FONT color="green">047</FONT>    <a name="line.47"></a>
<FONT color="green">048</FONT>                    /**<a name="line.48"></a>
<FONT color="green">049</FONT>                     * @return "mail.smtp.username"<a name="line.49"></a>
<FONT color="green">050</FONT>                     */<a name="line.50"></a>
<FONT color="green">051</FONT>                    @Override<a name="line.51"></a>
<FONT color="green">052</FONT>                    String propertyNameUsername() {<a name="line.52"></a>
<FONT color="green">053</FONT>                            return "mail.smtp.username";<a name="line.53"></a>
<FONT color="green">054</FONT>                    };<a name="line.54"></a>
<FONT color="green">055</FONT>    <a name="line.55"></a>
<FONT color="green">056</FONT>                    /**<a name="line.56"></a>
<FONT color="green">057</FONT>                     * @return "mail.smtp.auth"<a name="line.57"></a>
<FONT color="green">058</FONT>                     */<a name="line.58"></a>
<FONT color="green">059</FONT>                    @Override<a name="line.59"></a>
<FONT color="green">060</FONT>                    String propertyNameAuthenticate() {<a name="line.60"></a>
<FONT color="green">061</FONT>                            return "mail.smtp.auth";<a name="line.61"></a>
<FONT color="green">062</FONT>                    };<a name="line.62"></a>
<FONT color="green">063</FONT>            },<a name="line.63"></a>
<FONT color="green">064</FONT>            /**<a name="line.64"></a>
<FONT color="green">065</FONT>             * SMTPS / SSL transport strategy, that returns the ".smtps." variation of the SMTP_PLAIN version. Additionally the transport protocol<a name="line.65"></a>
<FONT color="green">066</FONT>             * is explicitly set to smtps. Finally, he property "mail.smtps.quitwait" is set to false, to get rid of a strange SSL exception:&lt;br /&gt;<a name="line.66"></a>
<FONT color="green">067</FONT>             * <a name="line.67"></a>
<FONT color="green">068</FONT>             * &lt;pre&gt;<a name="line.68"></a>
<FONT color="green">069</FONT>             * javax.mail.MessagingException: Exception reading response;<a name="line.69"></a>
<FONT color="green">070</FONT>             * nested exception is:<a name="line.70"></a>
<FONT color="green">071</FONT>             *      javax.net.ssl.SSLException: Unsupported record version Unknown-50.49<a name="line.71"></a>
<FONT color="green">072</FONT>             * (..)<a name="line.72"></a>
<FONT color="green">073</FONT>             * &lt;/pre&gt;<a name="line.73"></a>
<FONT color="green">074</FONT>             * <a name="line.74"></a>
<FONT color="green">075</FONT>             * &lt;quote&gt;The mail is sent but the exception is unwanted. The property &lt;em&gt;quitwait&lt;/em&gt; means If set to false, the QUIT command is sent<a name="line.75"></a>
<FONT color="green">076</FONT>             * and the connection is immediately closed. If set to true (the default), causes the transport to wait for the response to the QUIT<a name="line.76"></a>
<FONT color="green">077</FONT>             * command&lt;/quote&gt;&lt;br /&gt;<a name="line.77"></a>
<FONT color="green">078</FONT>             * &lt;strong&gt;- &lt;a href="http://www.rgagnon.com/javadetails/java-0570.html"&gt;source&lt;/a&gt;&lt;/strong&gt;<a name="line.78"></a>
<FONT color="green">079</FONT>             */<a name="line.79"></a>
<FONT color="green">080</FONT>            SMTP_SSL {<a name="line.80"></a>
<FONT color="green">081</FONT>                    /**<a name="line.81"></a>
<FONT color="green">082</FONT>                     * Here protocol "mail.transport.protocol" is set to "smtps" and the quitwait property "mail.smtps.quitwait" is set to "false".<a name="line.82"></a>
<FONT color="green">083</FONT>                     * <a name="line.83"></a>
<FONT color="green">084</FONT>                     * @see TransportStrategy#SMTP_SSL<a name="line.84"></a>
<FONT color="green">085</FONT>                     */<a name="line.85"></a>
<FONT color="green">086</FONT>                    @Override<a name="line.86"></a>
<FONT color="green">087</FONT>                    public Properties generateProperties() {<a name="line.87"></a>
<FONT color="green">088</FONT>                            final Properties props = super.generateProperties();<a name="line.88"></a>
<FONT color="green">089</FONT>                            props.put("mail.transport.protocol", "smtps");<a name="line.89"></a>
<FONT color="green">090</FONT>                            props.put("mail.smtps.quitwait", "false");<a name="line.90"></a>
<FONT color="green">091</FONT>                            return props;<a name="line.91"></a>
<FONT color="green">092</FONT>                    };<a name="line.92"></a>
<FONT color="green">093</FONT>    <a name="line.93"></a>
<FONT color="green">094</FONT>                    /**<a name="line.94"></a>
<FONT color="green">095</FONT>                     * @return "mail.smtps.host"<a name="line.95"></a>
<FONT color="green">096</FONT>                     */<a name="line.96"></a>
<FONT color="green">097</FONT>                    @Override<a name="line.97"></a>
<FONT color="green">098</FONT>                    String propertyNameHost() {<a name="line.98"></a>
<FONT color="green">099</FONT>                            return "mail.smtps.host";<a name="line.99"></a>
<FONT color="green">100</FONT>                    };<a name="line.100"></a>
<FONT color="green">101</FONT>    <a name="line.101"></a>
<FONT color="green">102</FONT>                    /**<a name="line.102"></a>
<FONT color="green">103</FONT>                     * @return "mail.smtps.port"<a name="line.103"></a>
<FONT color="green">104</FONT>                     */<a name="line.104"></a>
<FONT color="green">105</FONT>                    @Override<a name="line.105"></a>
<FONT color="green">106</FONT>                    String propertyNamePort() {<a name="line.106"></a>
<FONT color="green">107</FONT>                            return "mail.smtps.port";<a name="line.107"></a>
<FONT color="green">108</FONT>                    };<a name="line.108"></a>
<FONT color="green">109</FONT>    <a name="line.109"></a>
<FONT color="green">110</FONT>                    /**<a name="line.110"></a>
<FONT color="green">111</FONT>                     * @return "mail.smtps.username"<a name="line.111"></a>
<FONT color="green">112</FONT>                     */<a name="line.112"></a>
<FONT color="green">113</FONT>                    @Override<a name="line.113"></a>
<FONT color="green">114</FONT>                    String propertyNameUsername() {<a name="line.114"></a>
<FONT color="green">115</FONT>                            return "mail.smtps.username";<a name="line.115"></a>
<FONT color="green">116</FONT>                    };<a name="line.116"></a>
<FONT color="green">117</FONT>    <a name="line.117"></a>
<FONT color="green">118</FONT>                    /**<a name="line.118"></a>
<FONT color="green">119</FONT>                     * @return "mail.smtps.auth"<a name="line.119"></a>
<FONT color="green">120</FONT>                     */<a name="line.120"></a>
<FONT color="green">121</FONT>                    @Override<a name="line.121"></a>
<FONT color="green">122</FONT>                    String propertyNameAuthenticate() {<a name="line.122"></a>
<FONT color="green">123</FONT>                            return "mail.smtps.auth";<a name="line.123"></a>
<FONT color="green">124</FONT>                    };<a name="line.124"></a>
<FONT color="green">125</FONT>            },<a name="line.125"></a>
<FONT color="green">126</FONT>            /**<a name="line.126"></a>
<FONT color="green">127</FONT>             * &lt;strong&gt;NOTE: this code is in untested beta state&lt;/strong&gt;<a name="line.127"></a>
<FONT color="green">128</FONT>             * &lt;p&gt;<a name="line.128"></a>
<FONT color="green">129</FONT>             * Uses standard ".smtp." property names (like {@link TransportStrategy#SMTP_PLAIN}). Additionally the transport protocol is explicitly<a name="line.129"></a>
<FONT color="green">130</FONT>             * set to smtp. Finally, the property "mail.smtp.starttls.enable" is being set to true.<a name="line.130"></a>
<FONT color="green">131</FONT>             */<a name="line.131"></a>
<FONT color="green">132</FONT>            SMTP_TLS {<a name="line.132"></a>
<FONT color="green">133</FONT>    <a name="line.133"></a>
<FONT color="green">134</FONT>                    /**<a name="line.134"></a>
<FONT color="green">135</FONT>                     * Here protocol "mail.transport.protocol" is set to "smtp" and the tls property "mail.smtp.starttls.enable" is set to "true".<a name="line.135"></a>
<FONT color="green">136</FONT>                     * <a name="line.136"></a>
<FONT color="green">137</FONT>                     * @see TransportStrategy#SMTP_TLS<a name="line.137"></a>
<FONT color="green">138</FONT>                     */<a name="line.138"></a>
<FONT color="green">139</FONT>                    @Override<a name="line.139"></a>
<FONT color="green">140</FONT>                    public Properties generateProperties() {<a name="line.140"></a>
<FONT color="green">141</FONT>                            final Properties props = super.generateProperties();<a name="line.141"></a>
<FONT color="green">142</FONT>                            props.put("mail.transport.protocol", "smtp");<a name="line.142"></a>
<FONT color="green">143</FONT>                            props.put("mail.smtp.starttls.enable", "true");<a name="line.143"></a>
<FONT color="green">144</FONT>                            return props;<a name="line.144"></a>
<FONT color="green">145</FONT>                    }<a name="line.145"></a>
<FONT color="green">146</FONT>    <a name="line.146"></a>
<FONT color="green">147</FONT>                    /**<a name="line.147"></a>
<FONT color="green">148</FONT>                     * @return "mail.smtp.host"<a name="line.148"></a>
<FONT color="green">149</FONT>                     */<a name="line.149"></a>
<FONT color="green">150</FONT>                    @Override<a name="line.150"></a>
<FONT color="green">151</FONT>                    String propertyNameHost() {<a name="line.151"></a>
<FONT color="green">152</FONT>                            return "mail.smtp.host";<a name="line.152"></a>
<FONT color="green">153</FONT>                    };<a name="line.153"></a>
<FONT color="green">154</FONT>    <a name="line.154"></a>
<FONT color="green">155</FONT>                    /**<a name="line.155"></a>
<FONT color="green">156</FONT>                     * @return "mail.smtp.port"<a name="line.156"></a>
<FONT color="green">157</FONT>                     */<a name="line.157"></a>
<FONT color="green">158</FONT>                    @Override<a name="line.158"></a>
<FONT color="green">159</FONT>                    String propertyNamePort() {<a name="line.159"></a>
<FONT color="green">160</FONT>                            return "mail.smtp.port";<a name="line.160"></a>
<FONT color="green">161</FONT>                    };<a name="line.161"></a>
<FONT color="green">162</FONT>    <a name="line.162"></a>
<FONT color="green">163</FONT>                    /**<a name="line.163"></a>
<FONT color="green">164</FONT>                     * @return "mail.smtp.username"<a name="line.164"></a>
<FONT color="green">165</FONT>                     */<a name="line.165"></a>
<FONT color="green">166</FONT>                    @Override<a name="line.166"></a>
<FONT color="green">167</FONT>                    String propertyNameUsername() {<a name="line.167"></a>
<FONT color="green">168</FONT>                            return "mail.smtp.username";<a name="line.168"></a>
<FONT color="green">169</FONT>                    };<a name="line.169"></a>
<FONT color="green">170</FONT>    <a name="line.170"></a>
<FONT color="green">171</FONT>                    /**<a name="line.171"></a>
<FONT color="green">172</FONT>                     * @return "mail.smtp.auth"<a name="line.172"></a>
<FONT color="green">173</FONT>                     */<a name="line.173"></a>
<FONT color="green">174</FONT>                    @Override<a name="line.174"></a>
<FONT color="green">175</FONT>                    String propertyNameAuthenticate() {<a name="line.175"></a>
<FONT color="green">176</FONT>                            return "mail.smtp.auth";<a name="line.176"></a>
<FONT color="green">177</FONT>                    };<a name="line.177"></a>
<FONT color="green">178</FONT>    <a name="line.178"></a>
<FONT color="green">179</FONT>            };<a name="line.179"></a>
<FONT color="green">180</FONT>    <a name="line.180"></a>
<FONT color="green">181</FONT>            /**<a name="line.181"></a>
<FONT color="green">182</FONT>             * Base implementation that simply returns an empty list of properties. Should be overridden by the various strategies where<a name="line.182"></a>
<FONT color="green">183</FONT>             * appropriate.<a name="line.183"></a>
<FONT color="green">184</FONT>             * <a name="line.184"></a>
<FONT color="green">185</FONT>             * @return An empty &lt;code&gt;Properties&lt;/code&gt; instance.<a name="line.185"></a>
<FONT color="green">186</FONT>             */<a name="line.186"></a>
<FONT color="green">187</FONT>            public Properties generateProperties() {<a name="line.187"></a>
<FONT color="green">188</FONT>                    return new Properties();<a name="line.188"></a>
<FONT color="green">189</FONT>            }<a name="line.189"></a>
<FONT color="green">190</FONT>    <a name="line.190"></a>
<FONT color="green">191</FONT>            abstract String propertyNameHost();<a name="line.191"></a>
<FONT color="green">192</FONT>    <a name="line.192"></a>
<FONT color="green">193</FONT>            abstract String propertyNamePort();<a name="line.193"></a>
<FONT color="green">194</FONT>    <a name="line.194"></a>
<FONT color="green">195</FONT>            abstract String propertyNameUsername();<a name="line.195"></a>
<FONT color="green">196</FONT>    <a name="line.196"></a>
<FONT color="green">197</FONT>            abstract String propertyNameAuthenticate();<a name="line.197"></a>
<FONT color="green">198</FONT>    };<a name="line.198"></a>




























































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